A fluorescein derivative-based fluorescent sensor for selective recognition of copper(II) ions

被引：18
作者：
Jiao, Yang [1 ]
Liu, Xing [1 ]
Zhou, Lu [2 ]
He, Haiyang [2 ]
Zhou, Peng [1 ]
Duan, Chunying [2 ]
Peng, Xiaojun [2 ]
机构：
[1] Dalian Univ Technol, Coll Chem, Dalian 116024, Peoples R China
[2] Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116024, Peoples R China
来源：
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2018年 / 355卷
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Fluorescent sensor; Fluorescein derivative; copper(II) ions; SENSITIVE DETECTION; LIVING CELLS; SCHIFF-BASE; LIVE CELLS; PROBE; CU2+; CHEMOSENSOR; MAGNESIUM; SPECTROMETRY; WATER;
D O I：
10.1016/j.jphotochem.2017.10.058
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A novel fluorescein-based sensor FR-L was designed and synthesized with good yield for recognizing copper(II) ions in living cells. The sensor, incorporating 5-aminoisophthalic acid methyl ester with fluorescein, was synthesized and fully characterized by crystal test, (HNMR)-H-1, and ESI-MS analyses. The sensor showed a quenching response with the addition of copper(ll) ions which was ascribed to the cooperation between the sensor and copper(II) ions. Meanwhile, the sensor exhibited high selectivity over other metal ions and displayed more obvious changes of absorption. Finally, fluorescent imaging in living cells indicated the capability of detecting copper(II) ions in biological system. (C) 2017 Published by Elsevier B.V.
引用
收藏
页码：67 / 71
页数：5
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